{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "109044",
    "entityType": "User",
    "nonce": "0x86d3c50b7821aa82710a7633e84da0929b165cc976e88d8ed8dba3b87721e2e9",
    "signature": "0x79e513c3090c9459f6909b423a57ddba21e8fd23f7802ac8fc9eb68e2fa73f936ffd122f6201ebc7baa8f6c637e5a697cec3693db847a2980a0d19757bc416661c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}