{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5773",
    "entityType": "User",
    "nonce": "0x07f8e1ea4d023f2d7ef145bc583151486328aab6ac7b6d4e435064b31bbe546e",
    "signature": "0x7f56d8d842fdeef90c6d6e812b15b2f791a41b5764edeffda1495be14321b2854e999bec6fdfdf0c9c9c034aa4bd6fe53655149e8c5fad79b77528ab97dbf9a11c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}