{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "330481",
    "entityType": "User",
    "nonce": "0x14c04c874e6b688b32d9f3f0bff253f888fabb1c6e0a3d5331539f95b20eee91",
    "signature": "0x6c501a6169710fec7c3dc771c9f84a7a77f0d5837f055528c0daba36808a99d639eee58da67525915b00b0d3578e47b84b7984bd55df1010a33fc37a154a88c01c",
    "signer": "0xE69EE1e71C27cDfa05141f1DCE82bF0231AD05f1",
    "userId": "933842159"
  }
}