{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "962001878",
    "entityType": "User",
    "nonce": "0xfcb972d64698b1671b180bd3976221270ad43d3667f1a39ad06a128c2d516da8",
    "signature": "0x089a3ee7bf5b1fc673bedc5c6dfcf6b319bf3021094cbc1e8656638ab096893006c7f1d4f025a4963f831fe6c609ff2037be9e3f3d65fd0ca1eaff742f25b1271c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}