{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0xf8756c69924ce9e0ddd5b5d37c0ffd6cf5253ad7ca8bb5da936cf27145a63526",
    "signature": "0xd7a4a3a6e5e0c182e93972b280cded29bb498af6745795dabcde92ad4e7515e97d0fd11883edfdde152f30418c998d79c325b750ffd17574e48c47e86f2cebec1c",
    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}