{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "374007",
    "entityType": "User",
    "nonce": "0x2d7cc82596c62f5e10b9a9a88bf29ba07082c6293b776a4aedad42e68ce76287",
    "signature": "0x38245d3d702bc58a03a4e868d33e48498019934c52eff11a9dd19edb90fc8e4a23780fb8581b4741c8d999d35826fd76811d90e40ab05c4850f5d0bd2e7f55341b",
    "signer": "0x3fB3464202dCA960F65e2706E5749EaFc41e4b48",
    "userId": "826685732"
  }
}