{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "113351",
    "entityType": "User",
    "nonce": "0x15bd131610d11e47bc2651d75f0d5d9f2567317f08857774c1855b8b417abadb",
    "signature": "0xae5ddae9ac4b0f6a54a311f87586aa1ff46887d6876d5fe5cf352e74897135c936e8eaefc68360126573e9e9daa649ed6b96ebaa6523ffb4898663d8c0c3242e1b",
    "signer": "0xd12A323399559A3773F865c8F21031bc39c29135",
    "userId": "219968466"
  }
}