{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1467319",
    "entityType": "User",
    "nonce": "0x32a54c955aa95ae17f4b7141eb9ceccc6b6e8d6fb449fa722dd89791e03b0482",
    "signature": "0x328e2344d0a358903fc77e72ea2f179bc585193365ad9045b868e62b86e6043111a8424094ec17fad60dce960953eafbcf868711eab0bf08327b24bdd1023be91b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}