{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108320",
    "entityType": "User",
    "nonce": "0x23bd8e7e3161478cc786658fe43d3734f6efbebfe437027f1a28e9857dfaac7d",
    "signature": "0xce6e4745a4fd34a1c251208d12a2dacd0aeeab4da252835b6d33b7de84dcf6a36468c7f2204fdb2b087c64ef2d0d7b6c59ce920a0ad8394053f3f0796c4743271c",
    "signer": "0x926F8d71a7109CF6Cce00DA74e1BcF50aAf63E8b",
    "userId": "358546053"
  }
}