{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "247026",
    "entityType": "User",
    "nonce": "0xb179174f3c27ec2db848802b033364afcf9303128dc661ddb559411726fddf74",
    "signature": "0xdfe87fb9def5c1e2353d965f7ccf9c3ee913ae4f991cb65100f05069ffb64a44228c1e5bd0d777c989c8cc4f65618222754b27928c2488484c8278dbaca099c41c",
    "signer": "0x57Ad6E2E3fFc5ABe9b5FE7DC3bF7c07c8cCf9Ccf",
    "userId": "571702334"
  }
}