{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1415509",
    "entityType": "User",
    "nonce": "0x0df4bc441af0bef1d011bafe9688465cb5a383c48ea219e90717f9dd4271eb7a",
    "signature": "0xb917e01b77851c29dfb89c3c4145ce5719ebcf1524af309e24d6b06186222e776390a019851c4ab8ba66a1e5b8c8ae27de11940939a444fea77080b8217011e41b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}