{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "82291",
    "entityType": "User",
    "nonce": "0xf7c16694fd128acdd99f7b5125c65b0a3979cfe5bd12f0880ec0ebfa6dcbaf28",
    "signature": "0x9897a21747d6c256d8a1648357501da4ad0c84c7ce43ed2aef3cd47f7a051f8f49b61ceeb88ef80aa5627f5431808af17ad71d8ecf47f5275991d055b6a73fb31c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}