{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "32577",
    "entityType": "User",
    "nonce": "0x469aecbb8a93ee15ffbe2d715346783ce1f1ed3eb59d7fba646a3a3888928cfb",
    "signature": "0xb10494be1842f24fe2e39b43a7da9b09373f0f7995fdc567482f404f2bc662e8144f4df79148db4ccb090452c16046dd288ec6f21fd77233fc96a18a3a03c1bd1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}