{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x1b9311737f45e93fff4b87cdefa3d51275452292a791dac5b278ace28f1da2e3",
    "signature": "0x57011fe0124f8d88a50b22a731fe1f15a998eea5689013cbf7a76b2a579aaf4d2e54491b2e8463c1e82dd4d09f41a7d6378ff1a38e8e6f941c507de0f767aa731c",
    "signer": "0xdB859da145eAc5f173b5a68ee5F22434899fe416",
    "userId": "881880880"
  }
}