{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39945",
    "entityType": "User",
    "nonce": "0x8696cddf2bf04d50542aff26d5a9f6877fad6129dc908d53c60854bc33c2ac9d",
    "signature": "0x479a3fc21ece2678940b91a93aa99c2315998bacb393f14a6d78b56b7382638705bbd54b088d44301aed4bd6c15cf619dd387c04805c9bbc11158d94191f7ccf1c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}