{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x292f00cdfb0ca47c88312beec5a42df44fd26ab812f71f6353e670565e097f0c",
    "signature": "0x9f54cb8d2e5ff24f2b3b5e8230821f713e2d27950ea3a057eeb3e1b0e0d7c55a56912538a146fe3662d9e6c3b71f3bd200cf72cf825708c6311f67ad042bf1241b",
    "signer": "0x86F06b667612976334e60b0F9A287f6aBCF38ee4",
    "userId": "479846224"
  }
}