{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "180803",
    "entityType": "User",
    "nonce": "0x6c39572f39acd7da16e525fb9014ea00209a101e33d59664c26d4001b6674188",
    "signature": "0xbf98356eec8b6b699148a747095b8bc9d1e73143a76267766eb78d5776a4a6396d818a745252399c56a66e5b00704ee4248744ce7507e56ec02c3c55c930e5491c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}