{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "253392999",
    "entityType": "User",
    "nonce": "0x24f0a19c6e4d721173c3c08d578c8562be26f373d0391720c85e17cc532f41fa",
    "signature": "0x5c6db3128f3dc39ad6aed4a23694f24465887c27d05a46d55da8713966da7ea57e7fb93523b788bcb9b65b59c1ce37ef6d3461baeedb7de8896e1d2b4afdf16f1b",
    "signer": "0xF7F56DF4D8a2Ae2BF9Ca645DC684f84c37BbDaFe",
    "userId": "116272245"
  }
}