{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x65e847ce357f40b6fc62f1e9840392b3a11e69fa4f3999d4256b982398c04c6f",
    "signature": "0x4426066887f6b8826989060487de3be0f0b0f142ceb1c34c5813a84a727f48e1184ccb08c7cec58d1bdec9304ad0908396fe9fa5650dfd0e62e5389955ee47651b",
    "signer": "0x083626C5983025BFec0Ca7BC8FC5B244f8e29b75",
    "userId": "482858095"
  }
}