{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x3da4920057b22a7a5a21c004ffb75277a6fac1598666d1ba95ccd1557e99fa6a",
    "signature": "0x485843c70189cd407397850a63d518d7c83b1a49f0a26c7d9321b56e1c3f6bf03daa40bb088f4a9a160e1cdfb28b5c0a160c4a7d51e569744fde8462f56c41241c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}