{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329521655",
    "entityType": "User",
    "nonce": "0x171b21c826aba07d90a24992041e39fdae1bff103269c6b6410c7f12ba0660bf",
    "signature": "0xdb28723635a90eea5ca2fed43c04d83c8db1b828bd694ec4dc4fa908ee974153364b50338dd063643ce5798e271435b5433ed6f6f47321b81d291a0aacfe2e061b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}