{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329545",
    "entityType": "User",
    "nonce": "0x35237531b225df6af96f5ff9b1465a4d75935873a69aada466cf777cc8b7a5c4",
    "signature": "0xecadceef629ffc920bd528aecb788baeff315234a2b3322f33b59894004c94db79927b607399967563a310d5e99f65a26212723092ea6529d734ccce9cb408c51c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}