{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "320009",
    "entityType": "User",
    "nonce": "0x09547a3978f54133027b29f936bc57915d8b5a234c85e9e39f24b96f2ba140b1",
    "signature": "0x55de16beddfe47f552681fff02502888cc00c00c51c6c28277c57a2f01227b88485247645c55a29d3e9e2e01fe198efc60ab1568962f5e7579d727b0bc18fe5e1b",
    "signer": "0x48ECe992edB7C739B36f37DDbE8Fe352996B5A56",
    "userId": "183063753"
  }
}