{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "398460",
    "entityType": "User",
    "nonce": "0x7aff7a99ef8240bc1b4e48f8033555d8e791ace2f8cbc5ae2544c5215a103569",
    "signature": "0x908bf5d34b1088bd124d57f63fcb4bc5921f550bfb1157db5b55930ae56c954947e27724aa6dc913e8597f1d1f24029b07ae16c58c9f2d06bf4ab24cd6ac55a41b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}