{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "728155533",
    "entityType": "User",
    "nonce": "0x2160bdc2dad44012e2d24a702272c9354ee851a7e138bd9eed0e26dda110d0f0",
    "signature": "0xc71ceee82c4ae07eccdc2efe28f7689abf9b4f0a786bd48e4e198140756c2ee47c9ec300a0f4cafdaac1a23320c2fc1432df3b7026639edd492288f82e52b7941b",
    "signer": "0xe270C91f9476B885124d6c0208211213dC10036a",
    "userId": "94825285"
  }
}