{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x4a6fc2b678fb7f54b8778a15578d801b7533783fa77807a1c9ae35d124c6878e",
    "signature": "0x7ca37843a6646101cf5d6fb11ead1abbd3a86f7ec393b2c9d8604c67f0fef84e1e217638534649929c7b236d0fbfd19a5d1ca4888e92e6f1b60eb1ad9794d4511b",
    "signer": "0x821BB2f6A70e52ceb0794E8734c44fa97F6a26cF",
    "userId": "754605509"
  }
}