{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0x9ded69f4bc5f60a4c32ddd6df9b6fc62b736c5b513f44882ca1d0550a18bdea9",
    "signature": "0x5d59b09ae1eed2d5d62c0a98b878a691f86536d0630d0cfbf01ef3edb6f50b9220a388929f8ffefb39632116982f86e3307575692801c5db106bcae1b461a4a21c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}