{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319458",
    "entityType": "User",
    "nonce": "0x79a65ce2c34d754bf3bc75a3ff00937ccc455ee9b64048f53f80f971eb0144a2",
    "signature": "0xc88d118c51dc51fb8eff05b9ba26b1a1627502c9ebdbf23115382b5f807730a93d4f314b9d6230a7975e79e30a07174c6efca2deaa446d2f74cc36fb3197212c1c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}