{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "762013",
    "entityType": "User",
    "nonce": "0x18ba7f6d0eceefe9857e9b6b7e334602091aac474c3b14fd500b5ec074d1f33f",
    "signature": "0x7c7bf64db735d4acea33f0014b4859e42cd78e817d88d4ae549e3294daa91a4424a092322a1ca26cf9044700295d3e69ee87284c546deb67a62d013cc916fd141c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}