{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "163832",
    "entityType": "User",
    "nonce": "0xc37784e5cd002dced80e2a5df1edd6ef97aa32d782abe3f99e3af2e0cb97b2ff",
    "signature": "0x925f8691f2f3a4a9335c9f6d8dbb6fa64d318b364e88e5a006c2804f80f0053b065619ca2b5dee13a07775e60980d60ffbfdd0f9dc382a715082b3e70d3855281c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}