{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "176490",
    "entityType": "User",
    "nonce": "0x5328eeae68646c6817d4cdcb4d933ebc3e83bc9f1c49a44e3260513001e0ad80",
    "signature": "0x74a7681613650a9f5db8ef895c9679a6462ea0c11e91f628c7946aa439702e5373be9e4befe588b0cd7795194297083164ff0dae75e605c382c6e44da0e7ec2d1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}