{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xca0809a5cea22fec0ac5a826c4893cbc9962ee7d164966ee0b1a337e4f011524",
    "signature": "0x41aa20c2118f17d9cd7a91a7f84e4d92311b4dd8fa396b0a4dcf3389c9944ae67a8b763ac271dd9a17e7350dd977239dae35490678731b8af8cf9eb82438451e1c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}