{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "360648741",
    "entityType": "User",
    "nonce": "0x5cab0898bbcf0dcf913cce9e91cac8876c7227ac81d1b97ebc293bc1e275ccc9",
    "signature": "0x5cd4ae4393b3dec57ef95d3e2dcf424efdbf4f250d2e2e1cbbf6c7cb997e6bc25849b5486ed10552c57f7eca2de7f4cd2ab86c506638072656576936e164043b1b",
    "signer": "0x4D8EDeF47b57f98c89BDFf851267B0327BE4cD05",
    "userId": "5307724"
  }
}