{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xdd9766bd62977fd44a270bfd54655d66838c75b3509e00af4edec98c0463a59f",
    "signature": "0xd919d880cbe973fc3c3b6b5bcabcd0944941452ee70acd3c20d6d0878eb472d541b1d7ba8dde39023a200d4f534d1dcb59f66274dcad494792ea491858db89e31b",
    "signer": "0x4B140b61EB41438Cda0Dd10473ad1334309C1b97",
    "userId": "45511108"
  }
}