{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0xe366876ca8a6e61ec851d07f50d670158e3837c3b7f8d589b6035cd794ee72fe",
    "signature": "0xa197f20e11929dae0b7acc8a0efc7beb33da413643cc14b59ca34670a146e8da5c0fcff158b2ea7d4bc58bd93894c3202bb811b8b5bbf8d88c9e426e20def8451c",
    "signer": "0xCa890ba09b096164ab040247D3eb511DD5cC5f51",
    "userId": "489821062"
  }
}