{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146413",
    "entityType": "User",
    "nonce": "0x487935f5df347033e3763e905cfc869e144975ff0b4745560f7b333f4d050fd8",
    "signature": "0x190cf6185cec0c69d714d732cc0d8996531c6cb0a8b90c7b8a08b190b88e618724126a414f83d6145f12038341a8229500b69d23bd1702f554629ba771f70a0d1c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}