{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3485",
    "entityType": "User",
    "nonce": "0xbfd6827a6e049cb31229c488ec70f5b845437057343435fe69744eea920b925f",
    "signature": "0x41ca922951f986e1680d2d365d3a73857d7a14336e70e113a162c8d833b24b6037651b7bfabf2a70bd1b0e1861f5e5ae859d8204e0f94ba5cf7ad825eb1aad521c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}