{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0xd25fe075c3c906d48f13c21b5b34ff5489ad8b07123ffaf3ed0ae558de837b7c",
    "signature": "0x3730ade22a24347807eaee637051cf91c674afa84e07e3e227cccfcf921c4c8f1faa208a6a81c84708bcc67c29ff50d1e831d0aea24f2e5a039f4d2e21b53db71c",
    "signer": "0xa4A8a4853051b18e0f0f777693Ce34CF4bCe9385",
    "userId": "634886384"
  }
}