{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x50746561c87b76270f53441e38d1a069b9d3bc9520b0ba65ee15e4e220da1133",
    "signature": "0x90c3e5ec1bdb1116d7452f2d2368948917fb2fbf0fa50b98faff9a33dd376ed34060c079a658121ebe7b166d8a9fd97e863e12e55eeb483ba1fc109ca01493651c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}