{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "704579",
    "entityType": "User",
    "nonce": "0x00c547a6037b73b11316855474d994689fa8b974280be6fdb4b9e18cfa2de795",
    "signature": "0x104a0e96b1dcfee8a5e70277527599d9b4cb0558e6f1de96f22aeebcd448a0301738cbad8ac29ecb4041b8d21a67b5e5c82d78c46acfccff286b3c150f63aaa91c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}