{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbfcc8cddb8cd09dd622615ab7e3195c421ec558745f69192c82cb06baa37d371",
    "signature": "0xaba1e28357f4df156bed1a2be3166e5c420d95cda64832b3169e0ad7250483d570ee9f91f37d4ca0874b2884be592286cc2fe86423dcd2e410d38fef9cd3bbc51c",
    "signer": "0x14995EF7E081578e89142ecf60f9a1479060B1a4",
    "userId": "479281191"
  }
}