{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "802406676",
    "entityType": "User",
    "nonce": "0xb69b72f7f3124946417a8d6814f2a6558a963fd65446c923ebffd6a08560f592",
    "signature": "0x318c4bb98dffb8f248277994793fa370dfc52991046cf6953481bed60ba66bf52d401e7061c68cfc3014cb990f75d4f56d04f4744c16f353c5457ee4a248eb2e1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}