{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1b388ccaadb5c5982e1e266a41e655326f17f7e744f050f032e1d5a2872123a6",
    "signature": "0x000a3f84da964bb42ab9b18f21ae1aac7422ef1d77152ab28f09a4a4ce71d9e201b54e89cc28f5836676033ce6a86c5de15adb350684a7780b423c6b0ef405971b",
    "signer": "0x5366633303115a2d9e5dfe98081269ec3094c5cE",
    "userId": "50718159"
  }
}