{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1036471",
    "entityType": "User",
    "nonce": "0xf0764487799b923a8e9cc052b56f4389c2c4f96f3c29bda1d23655174510a016",
    "signature": "0x1820a40b3fbf8da2f5ae26d57f4966293341aa05a4a3326e0dc597c3d960d8a85a76d0e77095d53c309a73cb51914abf298db219322cc044b2b63b3c3c3837011c",
    "signer": "0x8C7c1057bcC83B88663c3Fe9bb0466Cb916441C2",
    "userId": "797231410"
  }
}