{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "985168351",
    "entityType": "User",
    "nonce": "0xeb97cddee424b032e0ebe90fba3f3e9c5d58f05af6f4bf939a3e6f411e0c3a3b",
    "signature": "0x128c78b7a20a075133ef432dcfa329ff3f97ce2294b27b0d5e6dcfbb3861e4cc5e3d40919dc4a81c4fcbfc741fd029211b44e33225642244cf8d3f07d0c8e3671c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}