{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0x97fb47010fc0dc89fd4f453639b676341610d79518d6cddf4c8ce7193f57b011",
    "signature": "0xdd47c51f04894a092c0425ad954167714f02112e370421a81a781f56392339570c33e48878136d8a5d81f5b9ab3cb45e9846c0c64fd3f2d9c8ddf479133e8e5d1c",
    "signer": "0xCf3E6F9F4BF41C4e355E01484A92aaf61B6dd8a3",
    "userId": "149919577"
  }
}