{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "460147282",
    "entityType": "User",
    "nonce": "0x158c98c2be15bc197ccc931923716749fedb66e486034bc0b27bf884efb54a41",
    "signature": "0x64550fe7662149974d142faf8c12d14f52fd538096e03499b9d6fbb33e76b0592232227f633b95df7d2744fb7e9c530f196c3d00dbc77a3b038f002b865404661b",
    "signer": "0xE534A1ad2e8E1f616866185D1efDf463B0eD38b4",
    "userId": "353625"
  }
}