{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "301637",
    "entityType": "User",
    "nonce": "0x4ee66186c32367612eae643629a89421db4c374cff6bd398c40bd3bd0d9de73f",
    "signature": "0x25fe08bf7e0bfc6df75083474619143789a3ebf4f496991c100e2b625ce431c419dd6fdbcdcca8ce35cd220a07a65b7ab2f9686632d001e6cec27c489f2ed8611b",
    "signer": "0xBe9beC7e06Fc4ca83BDb1675080AeaC3cafaC633",
    "userId": "1792066"
  }
}