{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12174",
    "entityType": "User",
    "nonce": "0x5024dbc7c9447d059f76fa53a858e66b8bdcaeaee59a617d5fd6cc24b9994f8c",
    "signature": "0x0db2117b354f5b39abd1a2c18fae19a5774109c0bd003a3056848335ac51927068062c4fa2e7dab5f05e713e9c75d6b9c5595a9b6c433c18e39bda0ac578ccce1c",
    "signer": "0x5617e33979Af319eD3a9a6bFF820d69b7e8877a9",
    "userId": "171261"
  }
}