{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "360354",
    "entityType": "User",
    "nonce": "0x3687caee41485cdf97524ff9d9d3aa5c661404655cda2bca39396e35cf54417f",
    "signature": "0xc3210cd22405c81c69add690a9c1c3d4c675e2292e0cb243573c0eb5b4ea70421cb1bd43c19e9642b2a3e414471589922c5e0b5ac053f23653818c14ab1054af1c",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}