{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0ef0ac543332771c8ea45e551c0de3015acb9fd35f269d26f5b9bfc65f843a4b",
    "signature": "0x53f417cfc547f783cf14aa8a2da72010f796386f754f73ade26e7372615cedf467aeaed84edea168d38cc6dad1b2dae34dbca0257825b5c1462261c1697b7aab1c",
    "signer": "0xCD4f3acb025d66e38B68db83105d705Bd7D2311b",
    "userId": "26063741"
  }
}