{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234046",
    "entityType": "User",
    "nonce": "0xa9af1df8d38ce3fd078acaa5024d11aa5a9eeb77353bdf291e8a97e7532e12f8",
    "signature": "0xf23d7378f4817f1b3de1c2f6f9b179d1c0ec964aba706f33d552a2581e2f17c72330813030d4276e42fdb72db646a505d23d3503a36ffaa338060f00815389041c",
    "signer": "0x1cad9Dc848B4917d921Bfd79491256e029A5FeDd",
    "userId": "468495839"
  }
}