{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "995816736",
    "entityType": "User",
    "nonce": "0xa1c425d72b8ac8e80555c30bb8485587aba64ab907eed61cebe41fb10041dc01",
    "signature": "0x9c335fbdaad23ef7a004eaa11badc10be89356588b1153752ddb39083a7995380e67a414b0276e8fa5f971b17ca2c149d02c2e721fccfdf5ca19bcfef2f25ba61b",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}