{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "373162",
    "entityType": "User",
    "nonce": "0x47e34a93434f5b92696330a43f5bec013ee8a61fb9e42b2862ec6a04822d9911",
    "signature": "0xfc79a982f92f20acbc6d917f68ebb1b2afe34ac0252e3f422fde4834681ac5ee7d35c745b0483d1119263b8202f83a2386b3968bc15b5d756bc732e545775b831c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}