{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "315816",
    "entityType": "User",
    "nonce": "0xf979792f00b5ec3a72b16a067c04828d6b36a70302512d01e3b39cbaad64a351",
    "signature": "0x60900704b6ec0236d1fbe943077e9ca4d541701694da5764356ba78d3833165130f743943fd31d3a1968be4c0fadf9cee8387f320ee950e3674db221e1641a3a1b",
    "signer": "0x044FC5a5dDb09Fd969Ac4aa606CddF360FE384dC",
    "userId": "144585121"
  }
}