{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108471",
    "entityType": "User",
    "nonce": "0x8230b1c5819d4819c4cf3188b23359fdd997dea764a042767cf99d723fd61889",
    "signature": "0xbb4de30dfb0bd2aea6b0b40f09e819108b3d6d7c6715bb27f58b50e7e13f67a84d870efda7a07a75a36775c41a643035f0eb14505130b385b3786a17c58265501c",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}