{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2376",
    "entityType": "User",
    "nonce": "0xd83cdd5ba70f210336793da8e2125620bb922c792ff5a10b6b3dc6b367bde9f5",
    "signature": "0x7b5c0df4597fc0dcc54fab25842d80b259d128119a65855e7db8e256015c1dda5d9667e9a99072bd4db46930135baa8b3111905d0f71ff40129c55887c8e36fc1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}