{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0xf3c9a7997d31ed9f9d24b9a80351590281bbb48f23ee623847024b0a740a6ae7",
    "signature": "0xd33f60de4cc28f4b7bace9925f29d3b3698f3d2279dac993e180384345ac560a4b82ad16ffbd81aeeda8cd5f835eb3061422c6a6c38f1175df90d506125b41021b",
    "signer": "0x3e16afFf69eC32202c1B755Ad919C7aA325B7aBE",
    "userId": "902811065"
  }
}