{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "123846",
    "entityType": "User",
    "nonce": "0x1ec2293d28e4a4d90a350e5b3157f0a60c75b0369329b428dbb3de3bcfe5d793",
    "signature": "0xbff72fd5745a50e29a21b9e4247bf8fbad3673b73bad3c7563c0a334991043173e04ced7928baf40907b446ef0f363d9210920b5dadf272ea7f0f3960c7553971c",
    "signer": "0xC96f153a5f305821032Dd799cD476fD529670AdF",
    "userId": "434521436"
  }
}