{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1197405",
    "entityType": "User",
    "nonce": "0x067c2c72f1370c10b5a112de611e939dfe8d18f814d1d45132ba4ede0cd3c5ff",
    "signature": "0x620854e119e17fee082a6cb671bb675e08c42fa0a5fe9263b622efb2ace1b8fc729864e43c6dd3d1f3cfe22a453d0def52f043e7deee4c1c38c44719843e77bb1b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}