{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43616",
    "entityType": "User",
    "nonce": "0x394ffae198109296504647d09a54cac302a0d69a4679804c4ca888b09e1f1753",
    "signature": "0xbed8bee0ff98997df797cefd1de45ba7bc9017cf5ad3d577fa14db2ca97c4cc60597f894c9c65172d13597b2ff0cbf556be5b1c08dfc6c52c568322bf2fe23f71c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}