{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "903958768",
    "entityType": "User",
    "nonce": "0x1fc1ce25a6195ebce4cd5166e423a08f177829ff78961e2df3e4aa000980a1b0",
    "signature": "0x74fb349d58bd1236897879a9e6eb8781ad31faf15b2f6977aacbfff182fc792640575f97d14160bde405d1943c7e79b5eef86a68d9ef77d583235941c620a2fb1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}