{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "964899801",
    "entityType": "User",
    "nonce": "0x05baa93fe8186026b7d8721ebc8e842bf42eeb7531b5cc2939b75795f130857b",
    "signature": "0xb05e8afe232cfc473a10f28692a0bc1a138b59c517ca1a960a3dd2d36d038f271c9e220bf83b3392aade210d2c50257add8171c4a1e379b991e43e1e642c13bf1b",
    "signer": "0xCedE64dcD8b0FdEDBdADF4b0ba433797eD6301c9",
    "userId": "638733607"
  }
}