{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbe78e6c17b7335b2bd2349ed992b724dbd2a94fcf26e5e50f30279e8658967e9",
    "signature": "0x7afa919b600fed71999cdc68cad92c5f6171f2c5fbb86f0dedd37202c089f1603088096aa1560b02b33397d57c3bdfd1a7ce849ff7b34dfce8a664d5200602431c",
    "signer": "0xD5ed437E0a161d40949B248986d0A9fc4afb437a",
    "userId": "82353207"
  }
}