{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x86f834a615c2fc664de74eb6e295fd39f6bcc61c54a4f6947d58a800823ca4c1",
    "signature": "0x50ceade5d73adc146c78496663556c79e17dac0f049ed644267ace3d2905df994e3b9e2e451f27909f6c00ddb1c809c4203e7ac5b69ee125c33640b947d95f261c",
    "signer": "0x9dE7a1B9AE7494a162E2F5eD5AF6F7f1dB2A4460",
    "userId": "225203024"
  }
}