{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89623",
    "entityType": "User",
    "nonce": "0xe357c2c3ffa8b17827925a9752bd877e555cea785b81f5c0dee43637a4aada82",
    "signature": "0x4210d41f1db0ee5b2d2321feeb15c8815c30e6b1646969111bcb13070e9b2e2537e26f4512a77bd59624ff6812561ecdb7cd343330e93e83bf9b701929b732821c",
    "signer": "0x025eC7902537A31aff29fFCC91267044DbE7Ca6b",
    "userId": "598837753"
  }
}