{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "227069",
    "entityType": "User",
    "nonce": "0x20e995aad8eef74cac3e2cd13dc7a5da9c50fbe8d37f3da93139ec8aa5eacc57",
    "signature": "0x46da7904acc7aa569cd09c4dff2cc99611e049c74ff4905213d63faf0b44e4bc3eab93a1d3a956dee65e4d3b3e7acb0b957df9bf29aafa282fd03cce4eb59c201c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}