{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x30423a6334a144ffe97eb5b322a59f440ec4fd147de501e1632d67ff6b615a38",
    "signature": "0x2af8017724cf095b338f881d36271f21373ec48df3b8c4c252d3a43e3c147de42d3100803c98e2bf68172093c30df2e20e72084884eac097a8350ce9a9a956b71b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}