{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "163718009",
    "entityType": "User",
    "nonce": "0xca2c1a00e0d20f8ff264e3eca18ab5097046206ffa0615aeeae650157dd4bd30",
    "signature": "0x01a74c4b973609d8d46055310a622cb33d900d113de6d1084099f678aa8e900a4bef1b4a0b0cf2b401e5abbed42c4e872e043d8b557428fc12d4d9743a9cf43a1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}