{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5bfa165f2875ad19d648862f8b3ca4f35b95f8cdbcee569d5e78984800db417f",
    "signature": "0xf4fad902a187d4b4d811228c3095ca12dc0bb098723d22f65060069495cc02122d3b520cceafcf6e356859a8f38076b8176a9b170cb9ae009907929ee93147a21b",
    "signer": "0x0C571670b9D4778082A28171dC6aC7fc2b426c10",
    "userId": "576629117"
  }
}