{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "318469",
    "entityType": "User",
    "nonce": "0xba67d7db1349d27268175a7f57fc4e21d5eeb46e79e460c2c1c006716218a14c",
    "signature": "0x8aae929d7337b624703129d211a1e87b90f17a588db864ee80c2cad30c38a0024f57bc722ed6124728dcbb3d3187786eb36e04c2e3b9f1ba66e85fe58bf64bee1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}