{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "427249190",
    "entityType": "User",
    "nonce": "0x39b572ba3c9e748fdf7aad77266719653b84051b62baf1469d87cff7794c54f4",
    "signature": "0xd225d42d581b83973e1539872390f3cbbde833c716c5bfdb9f3a24130780dc454dc1a4eb7feb491ccbe694253250208a1ce762469e296d9d4b0baa76c122a7a71b",
    "signer": "0x98fC2b30E6e70e62dB2b5fAE7b0292DE3D4323Bf",
    "userId": "480962013"
  }
}