{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0xb8f1122f680b9371acde69c1319007c3b4bb98d687361e5d660e628abec8e61d",
    "signature": "0x3d6eb5991f12974c6005d9120ee77692d5c8b20aac5d3b5e5400f68d1ca1e26808def1b356b77ff4bcd51e14a7fdafa2781f8832b4791a3b57cdb89e05c0bfe51b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}