{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x41ba082a16db8a8f1b12f98e5860f4b6ebd5b93402bbfc2b5f0681f8ed148f3e",
    "signature": "0xce4670dcb5ef19aa70a3d27783551a6fe4fb4a5c49b19f94638c7f2e3b18f7662a32129065f5c7d34364e6079be0c14c1ebef7cd53ddacbd4ed8e7d56116b9cf1c",
    "signer": "0x14f59FcC45099C848a8D9bD28E8b0a11a669Ea45",
    "userId": "793206989"
  }
}