{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "584616263",
    "entityType": "User",
    "nonce": "0x5d92b61a7bc8d9ab2dc5079b0398cc2b7cf16125102128cf75b8f97885788cbd",
    "signature": "0x0ed156f1c36bc98f3fcb4ce2a2244de8ea03f2c292e83591d1ac75d8e878e8712b6e6910bcc4eb0b527b16b2acd7e8006fabacac6fa53f3d62cd72d8753eb8fb1c",
    "signer": "0xCedE64dcD8b0FdEDBdADF4b0ba433797eD6301c9",
    "userId": "638733607"
  }
}