{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd095e8b68f32fae06796f120e26aba86903eba710662f4bc71f4409dfd68534c",
    "signature": "0x5e66ba60a4bb2f136dd16c963a807326b5ffd830092bc354a70c5a84ce6b65611180b4d3b1562e1efa685471239476923271054be42f80e8bf1f62e25a9e13801b",
    "signer": "0x793F92210ca8C8CB2011BDA44c32Be902c826921",
    "userId": "461496929"
  }
}