{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "230",
    "entityType": "User",
    "nonce": "0x830dcddad9a086c5372dd32acc0e367076017cd8511275a518b31e29e50a01a3",
    "signature": "0x9a299a7e54860f4350b16b940d931fa1a7bfefe9a3cc7be2b71a3fee5c3eed9e7c626a86f1d830cd667df66f754a135fc7b3993db8c25bed1a9001756325a67d1c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}