{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "177555",
    "entityType": "User",
    "nonce": "0xc896fad2fd3156c4879ca669dac091549f7ebbbd8b54c405251c1d4e771bad7a",
    "signature": "0x6a822a5ad9addb328dcef9f30b5261fe60760e322dc31cc5b4b64ca07966347765177cadbbb48ef188d54b288788afa472f9c48434c007aeb146b7f95d7be0711c",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}