{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "680566462",
    "entityType": "User",
    "nonce": "0x33f23cd5e913f6c926a4d670a0d93a0328051dca511f83789e60ece2a978f89b",
    "signature": "0x625a3f674e2f654620999cb3e387796779d5acb57395e8ce128ff835a26175132255711ee5b3e5530573016c09b96408aac2312768f1ec83ccde8103ec07519b1b",
    "signer": "0xFA2BcB8D14637859aa98a87cbe91187525bbB963",
    "userId": "965833467"
  }
}