{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0xecc0fa8c39b3bb40ff48c549858cea4e0308f0c84e08a434027b1a132bd2c45e",
    "signature": "0xcbf8e6d59db1a73bc6babad025cf4b15c182b5a66f898a8be4921f9a88f296b473ded15b1b6577d6e47b042ae0102bc742e8d59e0cd89805516d6dc5df36c14f1b",
    "signer": "0x257c9f4A9563d6A4a2bF3be7Da1738e167fcF295",
    "userId": "301719964"
  }
}