{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "357010",
    "entityType": "User",
    "nonce": "0xfe5d2d4c9ad8f9eb090d9808a24d1ca006023480b2704fa411ec71c77ba7d5c4",
    "signature": "0x5b0e3c5b01718376be2498ec56aee14b392dbbdb8c9f86c77a378095f36b55bb7cb503e4ce8d24f3cee782e44b525de27baadddaea691403f3849174d25fd9081c",
    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}