{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "957873025",
    "entityType": "User",
    "nonce": "0x484ac5ff978f57bbd28152c35f4342c2efab112e8d594a2b6f4d8860374a4308",
    "signature": "0x81628de463b39029d164515469ba40df2054be4e9161669112f6886a369dd316622a7049f9132ee8e2b21463c3d2cadcca4814b2d1d667b3caa467701d732bcf1c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}