{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "302385956",
    "entityType": "User",
    "nonce": "0x1f31cb9afba06e52960c7f0541e91a028497287acb548a595a47dae4131e5803",
    "signature": "0xfb06a77d21ef09f4a99b0bb75e11fe5d376af9798226690cef0294b6c61fbf2761dc66061f5a843df8b36b2d6511be71ce1a88d3482396faec70c9e14aa5f4e11c",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}