{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636187",
    "entityType": "User",
    "nonce": "0xb51b33174db37e3383bc62467af17cf2e88431562f12b0b8114e111be4731e2a",
    "signature": "0x0be6b484a5f91c04fee9f733497f2ecfc87e63a6a757b119fa9fc59aed84b4167866e4efca9224d4fe276599257b8c5efb2f1712e3238449b6c59e3b172c3c2e1b",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}