{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54356",
    "entityType": "User",
    "nonce": "0x384faa89d32333a772b459d48fb91fb20fa6305bd9c0c21869c2c5f3eb735a5a",
    "signature": "0x89855cdbf7d45870f7173f310a0eeae2fc08d10c97128fdd25d38ad541b621a77b5b1c360f36934b94ca89cfbaac520845a61457d2df7a4e03f543ac51c5a54a1b",
    "signer": "0x5aeCC1AFF37a5BA2FEE40cF4dd6357A86DE23D42",
    "userId": "950958674"
  }
}