{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "72866",
    "entityType": "User",
    "nonce": "0xc8bc5de76ea3fdd9b1ed5eb2eda3b999220a6d9d71050b33fec8df574fc217da",
    "signature": "0xd08b135f183d4947c846a7b284562ed6f47329ea1e4c44a87784683badf7d752277e48309714d1ee610b37e720b00d7ed8d76a5b05bf6c610e8f4b397f8b4b571b",
    "signer": "0x2B55314d733BC60522711F9B9914f271d97aDD6B",
    "userId": "224685891"
  }
}