{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "119478",
    "entityType": "User",
    "nonce": "0xc0d596fdf09a18f697c51430be4d7d7cfa6394cd483608582b1f8242de5bd0de",
    "signature": "0x7145444119d0a3cf046494063a5bae2012fbc521b9c19f3cbb4d11e1a40504b02e3014c03547d969e199513bdb6fb07ccb39d460f73adc21f9ae22876c8ab7ee1c",
    "signer": "0x4B140b61EB41438Cda0Dd10473ad1334309C1b97",
    "userId": "45511108"
  }
}