{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7e0241902951e1829b270f196f2617e42a63b44414a125a0ef9b7485e4e54038",
    "signature": "0x0b863357ead4211106eeeacf1fb14036a7d7fef8f8ed3a8a7d88069c419b4f22366f07efde85f0e2615eb6db34a0b4634c9d75ea8cfa4e981f7899ffe7573a101c",
    "signer": "0x7096C266e897109B09BB8e3fD737182dc82D386f",
    "userId": "472091939"
  }
}