{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "411390451",
    "entityType": "User",
    "nonce": "0x27ddd7bb3f7f0720d0d185920aaef3def0a0bf0bbad6c09cc2ade5fbde2175e2",
    "signature": "0x4ace8da49ba36b7cee730badd9aca04743d8cd2921d4be4f4d29ecca0684515f1b8f83be247e30043eaad1be7a5f89582d12db7e45da3d1288033d86c24852111b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}