{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0x627c9641ee5dcbec46c8c0ba1895f0347736b6af77e4ec13aabc37ae0d734167",
    "signature": "0x80fccad62f7850ad866e61c414aeb784114798219c07b3758b3abe19f7f9fd312433cb583342762ef7b7340b48bdc5f23cae632e70898bdc23a1fb746687f1cc1b",
    "signer": "0x032353067E6A79e4D3c78a727050A3CAb9964e5D",
    "userId": "834784522"
  }
}