{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41219171",
    "entityType": "User",
    "nonce": "0xd401021aeca4d934a6709f2d68976c10f2df5fa48ac1c74b4c022bb7d89c5a9e",
    "signature": "0x46507322391c70594954e320b0c5b704f01bb4482114df7ed806a2972b5cb6bc05110724863f58b087e76e3ecbd7388a8214262324ad3c854a84d042685fe5471c",
    "signer": "0x1dF213775dBDC159FD35d66A30e0b56C55118a34",
    "userId": "305881856"
  }
}