{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53598313",
    "entityType": "User",
    "nonce": "0x0dbb1d8dcb850a61f274f4b288b06bae7daf17d44b2818ace6995d666ee0e4a9",
    "signature": "0xb6dd9e7db975bf0e6a29c60e80f75fbde721c8b8bad7be49bd64e1e419f664e55a0276248cc436e3039bec93670861482d660351a7d55ab63223a7807e081b011b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}