{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0x41982666c88c517522cb89a1147d4f19a5a8d0c59403d9c5209e2bba399971e3",
    "signature": "0xd4e4265939242f4fde9769659467ec180311bd9128466078262c7c1b296e5bcc49f24b5ad23ba2175380a54143a5c7088d1e656a7fe93c0b712a6559510674e61b",
    "signer": "0x1EBB79163f7404d83419599424B8B9ae4eFDeE13",
    "userId": "844554896"
  }
}