{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "288167767",
    "entityType": "User",
    "nonce": "0xd606af3492a19951276183a639c3eb253f50a21a1754f01cc548ef7f326febf6",
    "signature": "0xdc527bb1fa9202d49e6989bb2d2eda5460eee74731f9c315cad061e9df0c7dd567c3ee62bc3c347255f7c9043cb0f9fc0a5ad4d16aa133b9a62b4218bd7d9b8b1b",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}