{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "346741915",
    "entityType": "User",
    "nonce": "0x3fc6f5c61d37912e1fc25e82fd15804bc159b51424665eee06fdba982631a7db",
    "signature": "0x9f47ff71504814a89d88d7580dc147ad123a7e6d9e5d7348a6c664529bf0003c54092bbb51bf618c4e9fe5de6d6c18dc4c593ae061eabdc978809b4e11e18e9d1c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}