{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73670",
    "entityType": "User",
    "nonce": "0x3f4d364c9d5b3f6afccdf4d680ad01c59d917ecc4c365fbbac56fb0d37c2d64a",
    "signature": "0xf4abae60727725fdfdd7ebc371b56c7eecac44a1c261736160a8e929554fcae32f861a47920aa08c4781bb4d4dbb017b2429f57765000dfeb741ec0d9798e2ba1b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}