{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "240258423",
    "entityType": "User",
    "nonce": "0x7bcdf3827464259a058a894547f6c6496f2ceea57b9bba6936db653f57039a8e",
    "signature": "0xb7d23e89ec0cffb5a2b2ac51d3dcc1bec1e3febac114dcc5d77a08c51e6cfc3762797259029b3582a55faccd443a18bef2484b29571401c3d6ddbbb2a4ab0ff51b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}