{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd52885a75e98c422e69b1373983aa5daa43ed26ec38546f43752bd30876efa57",
    "signature": "0xd97f7b3d6d29a8c95972ca94a72b966aebdc0398f3063688ab9847bd4f0f2ae95037853354deada12bff12f8203c0a356e12f8bd33b8a2f0ac2b53d2f386ffc51b",
    "signer": "0x26010123ecFEFe59a2eCdcF9123f8aE6260F0ec3",
    "userId": "46395444"
  }
}