{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61033",
    "entityType": "User",
    "nonce": "0x527effc6e6fc5063d14d8103ff18e315331043b7700ee8a21cf7b6e4204f243e",
    "signature": "0x2cea3ac6b8b41b4d03939f756177e5574094f96f7f8854bf1e9342cf3ec2922f68c5e465466fc602fda18d5b655ae8b9b916e2e2314e2b5aab4bac8ed1aaa1241b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}