{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0xf23be5d1f2bb5212a6138d15024583a441c02f7a48f9cdfa8b959c9612495b4a",
    "signature": "0x4d6a8bc011cffb649c373dfa45fd3834b1f0b9e7836a6107d7deb21c010199a955907f6dc92acf38f11d5b19bfac389a3b256bc65a1c45e8b858b312be407eb51c",
    "signer": "0x8b77d47DA28d313A2824468913d2f44F9a5B7b75",
    "userId": "808833626"
  }
}