{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x0de8cce31a88fc3e61bda9b6a8400a834642a8bb523b5f3993cbf1ae7a74cb62",
    "signature": "0x109babac915785b0660d23bc3d4229c23c952cbe9150ef70e6a063173f4a488946234a82bdcb7084815ac9a35a12bda65e4869e743d3b7c27ef2ae0456f5adab1b",
    "signer": "0x4B140b61EB41438Cda0Dd10473ad1334309C1b97",
    "userId": "45511108"
  }
}