{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43430",
    "entityType": "User",
    "nonce": "0x8a9a629c5b6e2ac57143df1c7a907fdbfe31887f6dba02cd33ad8aa344cf46c1",
    "signature": "0xeed51db02ba283cd79c6c7f5422e8a64eba4abf372edc61c38fa96f214f4af4a1ce644666fdf751556eb15c0bb15e5c6b449febd5a4bdeae16c4c9f82a86d63a1b",
    "signer": "0xC904b74a04E95F05A4CEC153C71EF75FdFFcD5CF",
    "userId": "962203192"
  }
}