{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2005440",
    "entityType": "User",
    "nonce": "0x1a0129de89cd1b35ad8467f8cf112afadc8d00a3db6e8e57c1883318415f4b22",
    "signature": "0x90816c97b8f8cbb88ed502ebc0f2c7c93cbfaee2838e075d5d7fed16f9af845d42d63bd6410a740aff2bc2429f779448fbf2c42b7e13f3de43093b68bcf51c261b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}