{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "397196",
    "entityType": "User",
    "nonce": "0x5bdc16da5fc0e72346f366d956140847c7ba38ad66792d1753307842399a53b0",
    "signature": "0x4044da387849f7c1ea2768e6b48a5680ed2df01ec026800bd181eec76ae9c4bd5930c329721583b03b68ad8b2e6daf4e52684788cd8d0f056027d00e4099c58a1b",
    "signer": "0x9b1a9d02F213F5C768F11FC832194b5cB665E056",
    "userId": "418702748"
  }
}