{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60730",
    "entityType": "User",
    "nonce": "0xafea99e34e58ec1e9e365b2ce20534e97738619622bb814f385320f70f504b09",
    "signature": "0xf4d4859cc9bd6dd2fc5e9892eb44a7208ecbecb65278cd8e9e1feb4d37e8290a605def306de147b8543a7bddc63a41b7e665b06ee7e20c8584a9d5331794ddd81b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}