{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xe884c98d075c25196612f3c5671cdf2c5be2892c9c8f5205d04e5c8bd5f2a223",
    "signature": "0xa23c4f1470822bc6f751ef14a74c49a497f1a54272ad72cc24130bc9d742befe09081538764c0ce81cdfe9562cc5333555b1a8b87dff557d54cbcb3dc154f2901b",
    "signer": "0x9acF8CBE8f2B0d51e756C58D6d1f946A8757602F",
    "userId": "428941685"
  }
}