{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x6e0ea8265d47ee078b3ce2a8a84fe297b7e1c978187f484aaf919273737279a4",
    "signature": "0x50e489c51bbed281c5c219fab8fc3286e7eb466581def80f8c41c23c3ad04ac91f4be4e3098217c02473415e17a3b78ae073ada81b5b712d63c67250700d961f1c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}