{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xbde799c788c6b2bb04b92222918ef073483c08c67f12ebddbfe0322d5d5822ed",
    "signature": "0xe2ae0a58f696025667419b9b218336ef4081e803944ec6374f873080cf2b254021cc705afe357ad4cf3033d9fea5ccdcc35830450a8bdd56d1b87ec374051be01c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}