{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xa06b208f0bc35d8ae2d95a68ceecefee8b051f5e46d33f1dc6aac90134d813e4",
    "signature": "0x9a9e2db57a421af60c9582a9dcc0525cdfd301244a890a4f555985fb7da2f06925970b31099e9472989c7713c92051794968988f8665ed2e3282ef1ab5fb5a4d1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}