{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "227069",
    "entityType": "User",
    "nonce": "0x758e35396c8f5edf1f05d8ae2036a1910ecb389886697e11124669f8e87f9881",
    "signature": "0x0ae99f94cbfd1bddf12e451e9edf8a266d1b6e5eda5c6b3a7b7f8987d9d601bc345ff030ca2b16a511d5d30d2e1085915bdf6fa4f10596804b4300e85f888d091c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}