{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "923480019",
    "entityType": "User",
    "nonce": "0x1c0446e146731e9c177b7a8c9bd4a3ab660fa5fb8fc62381b616a8d66b6fd714",
    "signature": "0x0bfc192873c32ffd2ea15f099b685da0ffaa62e2c477ffe2f70426085a0fe83575717f688467b42cdd6efe0c215b81cb0faa0c194482d658476f8fdaf235edf11b",
    "signer": "0x70b7c172C22ca6f528F9B205cff3E32D9D6cE7dC",
    "userId": "396607"
  }
}