{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234141",
    "entityType": "User",
    "nonce": "0xc46a9957acb0de0c5d7648a970c0dd0b11d424608d491db3a03302464853c3d0",
    "signature": "0x8446c379b59b22a9c9a31ccf84d716947418ee9f7c0a69863b020ec1bd7f4e8a7a56382233ebb563b8f7ee4c8d56c1823e98f371c43bb6abbd5e25a38d3016561c",
    "signer": "0x81EFA534196e076193ecAA58E56299e2828d8589",
    "userId": "763716479"
  }
}