{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1476",
    "entityType": "User",
    "nonce": "0x2e9268bf89fcac6890a4c52cd20fa70fec942040ba5816c41d21b45627364717",
    "signature": "0x7b1bca3ebd50f306d2c9baf6a62f7e7694cefc5744aa24a820eb3091b75bf9271041613afdadde3e6947625c6e478054f7a3f3876f3ac26cec2551d23ff9496c1c",
    "signer": "0x005385507D169DF7Ad14f23b728248Fe5464Bc26",
    "userId": "303866152"
  }
}