{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325172820",
    "entityType": "User",
    "nonce": "0x154781d900acb641a6ef5804fcba552a201f5b35fc8d59483485429bf2e7345d",
    "signature": "0xe5b90fb8dc0407c312708e60ac4ee647853275e88b2ec0093c5139f6638b1fae48d10a3badf6bb206863df772a64b6bc5dd4092997d959ca9dc3d02d891bc08c1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}