{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1696",
    "entityType": "User",
    "nonce": "0xcec04ff95ad6741a832585bd1ad290c7818155d157988cee62a95bff37c7dcfe",
    "signature": "0x189778e30c96f782932e81fdc479d7e5cd99411bd5a584a3c2de0551e4a876f80bdbd8a0912f33ecbf3a617844a584b10a33c45fc520cad695c4b620776710601c",
    "signer": "0xcc8164Efbbe4ed123B8689622b411c154496e66b",
    "userId": "60031"
  }
}