{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "205511",
    "entityType": "User",
    "nonce": "0x9138eec060e6162ad47425492438114c5303d672dcb9e025f1311f06f3706905",
    "signature": "0x890e4b63fb7808970d7622d8ef87625d4fc8e21dad5fda8bee61149ef4f462dd4c3b3cdc6394cc31c34821b20a43cc3517ef912d4592dd49b44bc4281870d8171b",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}