{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "342366",
    "entityType": "User",
    "nonce": "0x563b27a7c4a53e06b3d2c09470da8461715cb0cdd9297cd157ca698704caae64",
    "signature": "0x49236ff7dce350715c253324b74639480c815880f07fc3656a86fc30516e5b660793791166fb9624f1f8aa89ca8d9b3395dc06f94558b82e43a95b4658c6ef911c",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}