{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "109299",
    "entityType": "User",
    "nonce": "0xe287bcf0a097a08e262a6c230136fc4707882acae75b9a5837b07e0fc1dabab3",
    "signature": "0x9ffdd62278ab1af11703b3516349244db587e9d462af0afd15d13c0097a6f02e1cf6d3432cfe912d74d641908b6428f9c7c81d2740fe54e97c84a94a0a3da88b1c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}