{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "334539",
    "entityType": "User",
    "nonce": "0x9e6beb826a80087a1e034c0866056e4c29a1ba0a4443323e5dcf16b7329313b6",
    "signature": "0x0043d2fbd97d4662afc07e70991dd526bf399976e603169f9d58abf4a3dc1697023dba9140d5582525e8160c425d9998c80f3a70215e94e0a600b2edab4a8c501b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}