{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30862",
    "entityType": "User",
    "nonce": "0xa0479c223029f3120817ec958fde345dbdbc3f24553b8be062f5b0d8f2ed4314",
    "signature": "0x48c9be31b6bbff839995937742ecb89af7f61ed8404fa3b9839c3c8a73b886ba0d6254d2ea060d2236bc2a3efdb30acbc5e373d98fd37d3c30b614794bdbc6491b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}