{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10431",
    "entityType": "User",
    "nonce": "0x38cda6920edb01f41db2af7f386e50560903a238e2561a0420eee6f408818da8",
    "signature": "0x3ada00df275bb10dd7209ee0240e75715ecfb02007550a6c91c8ddf29ea86c1278f47da23f31ce917aaf298db074aded60dc320a74dedd77dbe63afa5a1ccff51c",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}