{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58435",
    "entityType": "User",
    "nonce": "0x4bdff24e7991377efc75853892a024de9c0ab00dd0ccb919483dea497d67d82f",
    "signature": "0xdbc9acec68a4971631d57d3901e995bdbab14f03c97113dddb2cc01da51dd4806f351c1a796543001b0355b3f3ec0702db6af234ae1eabea94f2fedc91ac131b1c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}