{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "166874",
    "entityType": "User",
    "nonce": "0xfb16a363e93c0e225ee0f483e4a15be4c2ae802aef53c541be46aa394aa87861",
    "signature": "0xe97734d8c602f3bc737ae9386a807cb9a563b5d99f1d716c2701dcb0cbba1abe05864525a8f4e64f76289840155dbd05de0c15f1d3ced9237c6f6f0b732359021c",
    "signer": "0xdB791822A11f5aDc830669bdADa8121a4558D7A3",
    "userId": "347139808"
  }
}