{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "240020",
    "entityType": "User",
    "nonce": "0xdd27829aa7ab3b962bb469ca3988abead34458730748b76b50e9e44d7120e2d3",
    "signature": "0x6fc6cf63785c5299121e01a5d211c1bf689c3ef97c74666771513a0ee077043062663f52b582cbe5019326e80ae449d975caeeb6ef20f4796c05025aaf3e25931c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}