{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "148979",
    "entityType": "User",
    "nonce": "0x3b3f64516302bf226145f41da04da883b748981bfae508a1e1963df367c46281",
    "signature": "0xe482954bc7604d06fa5628479c411009dfc02ffadf9e1f423130f6676e5ef5357517597e046a7377c9eb8640075c2a16ca436693ba2e40ee2e3654bcdff2ca3a1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}