{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39338",
    "entityType": "User",
    "nonce": "0x808c9bc139262559c03d32dc792eeceb4071676816dcae2c26a100a005eb8b1b",
    "signature": "0x82e91afaa5ab18dc080c82e0553036b11c97672ed5e703daa5ca6521638a49a3451b30b753d3802f6056eb388c41c146262e6963f199cf50a4bd56841125f82f1b",
    "signer": "0x06Ad5789cE045C5B0AeB97849051a7385CA95B4a",
    "userId": "270209897"
  }
}