{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x7a1317ac26bed8a65246d207897859df5c0d06dd3d08eb7ca5b7d818d0379650",
    "signature": "0xf2e9539abd33407c97aa6eea4682e21cf88aa242b537fd2623b8f823dce6982b04f9c0f648ad2ff1c475081539603468323af6e473f4f94b197b5012bb6b9d801c",
    "signer": "0xa741B0106346033C4A499068360937e06ee35E62",
    "userId": "780083254"
  }
}