{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102308",
    "entityType": "User",
    "nonce": "0x157abdffd63323890dccbb0822ea9449ea7f90539950dbe08930ce83f7442a5c",
    "signature": "0xb5c06d07965c545278b15bbc0d3ba5c826b300a091fc42d7afb19f5defa0a025799912fab938442dc831946af2d8b12683bdbbdfa4a8b3ac54947eb69968346f1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}