{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175670",
    "entityType": "User",
    "nonce": "0x2205924573cb98c3138cb7bfcb98081636a7d17e61d9c076b260a54a5900a6c3",
    "signature": "0x84ae7efda10972e0f1fc46e1dd300ad27256cbba371547173f56c960b8fd66af76f6e0c93aa469c4f2af6e027c41524ae4761e6f6540d978675dbe95d3d616ff1b",
    "signer": "0x48ECe992edB7C739B36f37DDbE8Fe352996B5A56",
    "userId": "183063753"
  }
}