{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "528688046",
    "entityType": "User",
    "nonce": "0xe50ee1b39ae7d6871e1e20fd40ad9f217656687b363046c1c8276749692fc432",
    "signature": "0x3dbfcad10a31545d124deadd1ad9757a2cf6a6ef233aefd44da8000c379fca1b290860d0076450ce2b3f9fc5c73cb7c2a7b1ca4a0b66886c708bdd827b7ca56a1b",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}