{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "683609933",
    "entityType": "User",
    "nonce": "0x79ba4b392ab00bd35e1e60f382a1dbd8e93e5e030720dad0e5618f0e169a7122",
    "signature": "0x88c1ecdfc6fb30d815d5d6003cdbd2e06682c29c981bd3b279da4d34cf25263c183d04c924c5bbb61baf850a8479400370ad1b5127c122009ad6713bd5a8d3121c",
    "signer": "0x5C13CD392EcB86FaceF8A07FC5B300833E86cD23",
    "userId": "167249"
  }
}