{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "854614078",
    "entityType": "User",
    "nonce": "0x4ed2a7eaa00e29b0e4548e0ed31f35e7f7fd038d7a2f5ea8d09ee9269d96bd7d",
    "signature": "0x4d686eb95233ba8c22d07fa1adf05cffc996d699d18b62a0b0664977846ab5f155f048d85107aea8a444ac1ad1b89564c1f99580c7dabc120e6962fc960ba07e1c",
    "signer": "0xE7a9E33DeC9Adf8605A88750C979e41f6fdAba53",
    "userId": "722055746"
  }
}