{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf97c8d9916a0d4c4cd6b6610898b1b3613405f07f86b5ff72e6265df5c88bb2c",
    "signature": "0xb5c0f0202fd420e915d027eb2d0c2f922828653f0816fcbd05330045aaccd9bd47301eace53d22be3e9180ace585dd2714346234a3c1347b3023a63c9bf59b8a1c",
    "signer": "0xA3f113472915b2f3E2ABdEb83ceAFec10dD6eFf7",
    "userId": "925577169"
  }
}