{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "394061",
    "entityType": "User",
    "nonce": "0xcc457237215157827c22ee145059e628e52d154e9826bd5198e181b428ffd03c",
    "signature": "0xe3a948ffc985ce48b96ed54b8fe0e33291ce2977e1a4bb2718fff72ff289168d5ee7b645980ecc2ddb88f85a61cabd25ca5e1c8708404b4229fb7538beeb73781b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}