{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "91965250",
    "entityType": "User",
    "nonce": "0x2928c4c340f37e1fcd1afa4987988eaa4fb07e071bc1093140ae2e23f374830f",
    "signature": "0x7a624951e0af8c272373f113d21eaf01faeaf4311b4b3142d3e15b5f74658d0c214071df5fcf4662a231ecd6412be4ad0545000fc003f0dbdbfd617b4ad30e091c",
    "signer": "0xF356CfF3605e01f024ed894Fb7163a0c2391c70d",
    "userId": "903373982"
  }
}