{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77084572",
    "entityType": "User",
    "nonce": "0xe7cd33286e8633e663ef0a42065d36e74f3054ce6165b3662f86af07dccb4b24",
    "signature": "0x642f91831950a5983caa5ff42c22863f30d12382337ac053406080c9632bd26e3ff38475152ffa00c8e8d60641513a7f14cb8697f9ecc7cd1d9376773e1656fa1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}