{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "185209372",
    "entityType": "User",
    "nonce": "0x1954569cd79e1c25b9367eaab8f7e9fe06a22ef95b648dfd868e4f93e1841fd8",
    "signature": "0x5f4422b5c6631fc21324a32a5444bb86c44ec0f87c6bed9f0c7c36ebe0f23e0736183e6ae922234a14317512f2f7bcfed03c70a9d213d2a6e06417bc4a25a8581c",
    "signer": "0x5458796027aD8A259861E2C65ECFD1B027e9E8fA",
    "userId": "42614"
  }
}