{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x4e245f27c4c96e64cbe276d14cea4ba81732964cae7612c6c6203c94372f1734",
    "signature": "0x973b3746b5c1cb0d8008a4282db916e913b3bf1880e7abe21b19b63d6b4ba5c36a2905dc46a233071f4fa6e3901a1ae61e1b4cda8bb881cbb18f6c93a793529f1c",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}