{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56493313",
    "entityType": "User",
    "nonce": "0x89f371ab85bf8287a2f0a86849c045f4a86d1136c44339527e9c26988180c7f0",
    "signature": "0x9764d4ce25e0c83ad94be5e169df8258e84ae30aec6379c7de7941502da96151541e8ec8e1cddbf45c89548d5715f66fbe135210890c2193675c4b61efb17d8e1c",
    "signer": "0xa1F606584fdE30bB7d4BE2EbeC98A5F95E4559f4",
    "userId": "786922215"
  }
}