{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa5e5a33e93e08d1aec04a05064a2a63c3d29c2a8fda38145ebaf9aa278671ae7",
    "signature": "0xd78278343839a7e2c32a371a9995ad58e0a5593719aadfb2b6d497839806ea3025e575df754e94f564931ad00d1b2f5f37efc39db2c4c1a61737414da4d16c971c",
    "signer": "0xDc3E8455192174BB859F815e8840855e17449589",
    "userId": "267643931"
  }
}