{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "214830",
    "entityType": "User",
    "nonce": "0x05703061aa72269fbc85a03c4b4aae8de37501eeb58f63c6b50d2c52d4b2c7fa",
    "signature": "0x47a8721fd637ff632c0cc0feec421febe9363c30f62a8aef2f40b141fdfc37052d7d538a4e629fd16a1e13f5d9a5fb2f4d08b14c34dd93527dedcb143e74cf641c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}