{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8223",
    "entityType": "User",
    "nonce": "0x067aea74acef00b88ad17d376845f450999e207e12143905ffa2d05fb13140ec",
    "signature": "0xcf4b7f5e5f1c54a628c24b2998bd1f61aad769ea7378bf88e826bb66e4f104a03b79049ce8d57c904df6bd5969427152019064e00f5c37d7ff9fa92174d1c6901c",
    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}