{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "965708335",
    "entityType": "User",
    "nonce": "0xbf272306dbcff49237a0b17a5b982113d4fd0f1dfd4a3b754639ad2dca338beb",
    "signature": "0x23b3b2a60dc516c7d1ede5294612cb4ed02e80752487dd8c5c69ab1722a90ecd736ed004da5b59583f2a04f77ec5f9a6a3d30839be1dc3c3afacf05379ee228a1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}