{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "159460377",
    "entityType": "User",
    "nonce": "0x24132374c825cb6b46bafb2cd3db552a01928b4d060f8ad1ffbc04d101838049",
    "signature": "0xad841999c88589ec92e5d5beea7870db6b4a3bbd60b3c59ec1ffd3c9d71f606d0c10d1e60b42802814d647c677684118b84206f7d6fe75773cf7917dd072210b1c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}