{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102405",
    "entityType": "User",
    "nonce": "0x0cc5bd319fc51347bcb0e2014fce45cb878c2f38aa81a7ff3c04df9059a8d5af",
    "signature": "0xe895a728addf545798834d9219394d98ff4e86803da323146aae9702ac212e3f64c5ee69ea397eed54112f0df3a320ddfd095ee06bed424d9c0e889f603c1ca61c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}