{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "844754103",
    "entityType": "User",
    "nonce": "0xcbc6a84c6523ca0b59a7e845353e33254cff3d387c7d15b87e6fa9927c5e12d4",
    "signature": "0x99f3a2b52a0a4ca49bb68ba354a47aee91a3cf9be147c7ffd2f50444cd633cae04886656cbd1af491da44f37d9917ff6f18f56fccbefbdb577f970dbb93009b91c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}