{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "392153838",
    "entityType": "User",
    "nonce": "0xd27d101a332e97124da1be0fefc5791bdbb622de7acfe7387998adddc9b8e76d",
    "signature": "0x12ed50b30c7f39e5a378293f58e6103a770805cad8a7f6f06746e64c89cab29a38eae48508b6571c1e2a458a6cf1a005d3e9ad76e3105a5600187b583a32f5e81b",
    "signer": "0x7Fca0754B90893F156B055e62d9ae45AE2dF4686",
    "userId": "308196323"
  }
}