{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5642",
    "entityType": "User",
    "nonce": "0xca5be7b8a0b591effb276418bc382859027bfb4b6e61053a30435e4fbd0e822c",
    "signature": "0xdebb8be539a11da2cab76aa8051c65f976b987d98f04e512ef353fd457411e346d69a3ebff43f7fbf35f68006a53aa91546a492aef36e7ff4d3d116c498ec8c21c",
    "signer": "0x811B619477Ea800Cc8e7fDd08cEA323eC3E06411",
    "userId": "791433195"
  }
}