{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "139",
    "entityType": "User",
    "nonce": "0x32ab4d070186f92f3267fdfdf825ac66008c90353e02fd4b4ab2cd63f67c4896",
    "signature": "0x7ddb546be6a88ebccbc3b42c87a8a7ad16f7e396609d1957369a6f326677806511dafaa418ad9b8d04a689c37aa3558cec5b64a5e551fe3e0ca66036b1df28431b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}