{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "91846",
    "entityType": "User",
    "nonce": "0x461da552933de1cd11b32e49807b3988d692bc3b058b5cd1f6b6b050d2a69490",
    "signature": "0x3412872bd9a58bb9b38a4abc016f1fabcfbfcd2ee3a9e38c1bfc5b2e65526b936b535328e23058aa4b46386b04c9b11049b6bf1eada76f1e3d4bfaac3e94f6f11c",
    "signer": "0xFEa2c41d314209186e519b7539c0FcBDa1F9f00C",
    "userId": "51657002"
  }
}