{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "979252490",
    "entityType": "User",
    "nonce": "0x804ab2fedfa903b1a386c20982dac696fe74d2f94ce6162f814ba5adaa4b04d8",
    "signature": "0xb527be2343a225e3efeaa81560ba646eae79a0f2d1fa7299c4f52c2ce5998e3a4106edcfcba3c7b91889abb955d4a59513ede211864e4746fa9b52c4c304e5501c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}