{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20914",
    "entityType": "User",
    "nonce": "0xee4fae79eeb2efd12d6b17fe160cf5c54f77703c2dfcb5950733d766da15b5e3",
    "signature": "0x91385fbad9c9463600429584a9a2c9ae8ca94a959bffe472f37a9543ceddc79f5555ce3777993230c204631a23452cf0b62425df5498bccd788937aa5de0d5d01c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}