{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14811",
    "entityType": "User",
    "nonce": "0x35c96335f3e530aa1359f87bef235dc1c0573cd680ace0b1092acb1f18d52478",
    "signature": "0x87dbe737905d567d2ceb47aaf6cd3355e6a1f87d72b4d91966b65268fa8e8b6c1cf85cd2c77f92be3dc3085071b46bfd13d4f02d8764638473b4fda5991e9a4e1c",
    "signer": "0x48ECe992edB7C739B36f37DDbE8Fe352996B5A56",
    "userId": "183063753"
  }
}