{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0x4bb6c78f6f5e57b8f23e66c901d5ff0d4db278769114681b28bd3183378be269",
    "signature": "0xb105b07d86903e1b3fa72d8908d55b317486aa670b0bb93aa6c80cf06e31ab3f5bdc8d7ccedf6b9a42076366a5b13e7aefd4d61d074e6168e9ae03ee704522421b",
    "signer": "0x88B27943F74D36094296911Dd903a353d2149590",
    "userId": "410246880"
  }
}