{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x363f1bf985640a420ff7ec091a8afd1a5a50a4c42aa40c14cd9485e48f200ae6",
    "signature": "0xfa49e9a3bfb61ea6270443c3498eb0271c082062e453b99b589435b435572acf3a58e5206655ba77ee7acfb9da8fd3cbf849bff5bfe006f6289f6268dc65e4ad1b",
    "signer": "0xa85dce385eaA369F6073e0b6e242561d0870425C",
    "userId": "308558165"
  }
}