{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "286349",
    "entityType": "User",
    "nonce": "0x6391321fc2bd9d1e34408f2497f724c77529452d5b61efe82595f66fe62bd37f",
    "signature": "0xe93c1bd64165759ddbf1e07f76f4daf6ccb65ce5877bc0df9b70a39e64e5f77b7b0062efbcac34ca88bf4df9ad904f5fd874df6d9a8a435c1dcf075086a8727f1c",
    "signer": "0x0527E71aBe15614de9A48A8e54D732dBA4C8b009",
    "userId": "754738576"
  }
}