{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0x7a3a822028924b8da62fdaba1093384967a3b09575642aff7fab30a5ca503529",
    "signature": "0x198169f245293bdbc0d0bfdd9cf4a7059a8d7760b18ed56760e363a2555f62df01c4ea550ca7c32134aac909e6ffa07f73ec705ea5089e6a33eda802c177781a1b",
    "signer": "0x1D0c500EC847246923045cB0a285242A93723f30",
    "userId": "302385956"
  }
}