{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9416",
    "entityType": "User",
    "nonce": "0xd4cbb857a4e183e6737a60d1f442efa8cf5869ea55f34aa93c04a0bd25952bf7",
    "signature": "0xf34e2108524b1caf86a96add57365ac47003ad421ab52ef47e5fa129196a8295316ae258ee3bb466ab55694cf73f0cdec54030a4b8137cdbc270205f5ebe5ef91c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}