{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0xd7b7ab74e47fffbc4e3be9956a912732ae056647d58a23df1342478110ef587f",
    "signature": "0x2e88658f890f9864c0b60dd8882a41f53e937157fc21adc5b1dec45a5bf171fa370941154260fffb4bcbf979639a1bdfaed633a1d490251cac9a963bc2b41c881b",
    "signer": "0x0a5148A3f132E6696c1Cd3FDA8465fC5fF17d3D2",
    "userId": "803288761"
  }
}