{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0x65dc2a4580e14c93c54abf0fe2365389454a264c7543454268c6015b8eb14812",
    "signature": "0xd6b578af3c8b1ace670443b04dcdba5321c81911bbda9b5dbb9ea4b6ce69125359d2fdbe9dc3b3756d227970a3dd4f7e0c8e08ce46b53ad2ec1171a69e64272e1c",
    "signer": "0x0535e9D2c9854a5cB68f6B346a33cd3469062E6f",
    "userId": "902310393"
  }
}