{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9245",
    "entityType": "User",
    "nonce": "0xec1504721edbcf4a192c2c9fc89c560b7335f0f884f8cfe622609725e1321966",
    "signature": "0x314ca1f0ab39fa2baa08226b4d0cfa1229d7230dcfa2a7da1356f6bce369015910ebe5cd5f3fca36394d501990f789bbc84bf61d551cc4383363b20c39e833cc1b",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}