{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "222630",
    "entityType": "User",
    "nonce": "0x407fd09ae20ad7cf9abe289434f2855b417d756aaca7afab7afdaf8d6a36e64c",
    "signature": "0x5bbcf3e4cf54c3f0a49aab2896c8fa2ee5f35fd865312b85845470824b75fc7f06838fc2965cb99fbfcc1fc923f00abe7b67c62460f4478d694bb9e4dfb1f8231c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}