{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "121227",
    "entityType": "User",
    "nonce": "0xeeaf2d5a923f41a30a39f06bfd10678969b3469b51443a23554082cd0b4aab8f",
    "signature": "0xaa04b55991b860fb9de60f28d708002bc614c5bc1622cd2031071592a62336b814c407611784bd763ed0457811f489a55f165e30f25bf5d758bdb46db7815c7c1b",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}