{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "112951",
    "entityType": "User",
    "nonce": "0x2f0d3641587e20e84a4981ae0a34f23c983ba5fd6974f268dd3d20445516e137",
    "signature": "0x4cf38c6935b9b9da272e8ecb875b2f827b692e0632e88eaba3a5727a60d184000a62677a191009b898410afa0e0cb435263230ce410a531c93558210292051651b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}