{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "293906",
    "entityType": "User",
    "nonce": "0x89205b3e1add47b22b5eb2719aa3e2bbd494385ebcadca14d98a0b2beebd81a5",
    "signature": "0xdff645e71c0ce341a62e3adb610baa4739383c7b01ba8b5f55abe4ab5e210bdf43b920483e8e3ea87901b52cd2f5f9b2ff0c23d2071a8573385aa5073d3b50ed1b",
    "signer": "0x02B4d5531389E17effF879c0eA41e4dA46374c71",
    "userId": "117832850"
  }
}