{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5720",
    "entityType": "User",
    "nonce": "0x5625875bc4eab4805d59b50dbb67d5c7e2b9c3f2f29575a34abb2e6c482469d7",
    "signature": "0x9248f1418d7260b333bb528ddd46b3ec4192b3e718878e096981f79ea18ecef32a3f49cfcf7a649f37aadb4bb69a00122e3a934b5e5d4a68541682818c3a99471c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}