{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "258655155",
    "entityType": "User",
    "nonce": "0x0a03890c800f025424ea64020b2ab2bf22b98f34858248f6261f6aa075a3230d",
    "signature": "0x6edba5ac2ea62059e4d0f17603e9daa25f88103262dea6c0c75e19e3b0c62ad10f2355ef074bb5fb67a995df35b8fc0f3f67efe562fc0789692a330046f1c12f1c",
    "signer": "0x451d1Fcc610ac6c427d570E73Cb3641Acfa23b6b",
    "userId": "134623867"
  }
}