{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1685671",
    "entityType": "User",
    "nonce": "0x4357eb1cf42e4be81a2b73625e55d511597264da508fcd6579f8099f7ca94875",
    "signature": "0xb3c0f56397edd3276ff2b0636259e721837377d36c5e0b4ffbfbcf5889e883d9768c1084d1151a5092472b3710387fe914e589918ba5b537f59817f7a5bef88e1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}