{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67222",
    "entityType": "User",
    "nonce": "0x67826fa05bc2f4e2cb08cde65212877770bd1de0c2ab0b744a1f59ffbf65f6d9",
    "signature": "0xd23560d4ac1efc4d92b5146b6367034dd45423e5946508f27db9f4b04b2b7fc467448e92c51807195eeccd950b3f1bb779dc95ca302fe3c1c70e2ff1b4f101091b",
    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}