{
  "manageEntity": {
    "action": "Update",
    "entityId": "793206989",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x4d2620ca3565adf11a26883cfcadb777fb3ad74f585b410b595e7a64392e1474",
    "signature": "0xc4017ec95ddc61312d98995e3688f003f78c65fa574839130587fa87dfe9040515ea3d42f23a7c20cb54ddcf66db72e8f6920d50e570edaad072620fc247323c1b",
    "signer": "0x14f59FcC45099C848a8D9bD28E8b0a11a669Ea45",
    "userId": "793206989"
  }
}