{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "356048",
    "entityType": "User",
    "nonce": "0xdd2d248663bbe5f42432c266b16ad187f478b3b0c0bf65e22d667cc8946730ca",
    "signature": "0x3c72563e80b40ea0972569674a0023a309249fb5efdc2ea093bedcefe8c8f3df6d00eb2583376fd714d18ee09fb567ed70269e6fb5cbc14e40835f46835899fb1b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}