{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "346849",
    "entityType": "User",
    "nonce": "0xbcfcfa5cd18c0681ceb17d70f9882aea416ad00f430cece1ab4777b66e39fddd",
    "signature": "0xe7085f28d9655b98e708ea0edc609290abb60882332723c7845d65f927ec2d2f4ee0cb98be89041bb76be4c25fd73eb31059a30f00eb60a6e4a59f6cef1b7d211b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}