{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x746defc3955c5bc2e12d7495e8b686d2963e55d98700a11119c17e31603408d0",
    "signature": "0x094fa646add3165a7bbf65d7ad1dd5e23fe8c041401bc6bb5162c1a763689c4b19b29618d5569580bb8d8500e2aab9ef0c807b8edd4a6188d7b88d568870859a1c",
    "signer": "0x7Ea9594EaD41B11D4538eeD615550Ee3A0D88A5a",
    "userId": "809897082"
  }
}