{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "966718637",
    "entityType": "User",
    "nonce": "0xe34086a2ffe3f63500e9ce7589b63e15da293e3928da4f034b55374f5bf6c118",
    "signature": "0x1c45e0cf8d7bf384f8db8aa5a9158280c15dc159b94018f28039774bbaf4eeb525beb77ba40c444ef2d31c5b1a3f7fa7862765d479e91a2ed5c02f6ae0a517501b",
    "signer": "0x942024F98F1B8bd6Cd58C6ADE468241BB1E3B6c1",
    "userId": "218914069"
  }
}