{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x44acfdc652ddd1715773eed59b365f1ab8efb9bb35a2e2c461a3101af5d6f83e",
    "signature": "0x7e60238c070d57803e485c5d8e31d24f91c73c79adc27adce5eacf850f0e283e66df9a1673f9b796a8980c156cb4d95a26b2e7f999fbe58c1a32bee740a67c641c",
    "signer": "0xb11A87421a60283b875d2F958D27356167224eF2",
    "userId": "858465138"
  }
}