{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "677099093",
    "entityType": "User",
    "nonce": "0x1c31ac62b0b95055d1c3afc6a4024b8a613f03512caa87697d60fc09a5016018",
    "signature": "0xa34e92f717aaa719233c347f6f915c9c068b1599f786be816fb235441585f8491ac531d88d99f67a793b9a30611b414ce73de581b58ee63e4b5ecb9150353c8b1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}