{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325624",
    "entityType": "User",
    "nonce": "0x5042e82eb2c54c81508843c6934cdc27ef26d4c761967f316563a91823c1294c",
    "signature": "0xe66405061555d58c039c43a67a79fa08c02ccfeb13b0d06e1503b2311b64009f1b3191d608c3bfa77b9034781b4980668283995393d541518ba67430ddb279741c",
    "signer": "0x8A2eb611ED13B7Bc9CED13f52F7e15b1055eA0EC",
    "userId": "472472299"
  }
}