{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5218",
    "entityType": "User",
    "nonce": "0xd040b273eef68610410928d4c9103bbb3479e92db0f230ecdbdbf0ddc1aa61a6",
    "signature": "0x558a83498576a9c960dc6c37a2668a042cc7e4d469480c6166df4374c33dc53e1ce62af50cf49b56debdfa8c3c7dc012fa1c4e1af98ec15e7b1a5971586e68701c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}