{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x3added97156a50efcbe485509a97728b21cb34d3470e5d6ac910c00146e83943",
    "signature": "0x2a7cbcd82bc7825947b69a019a7d76cf48b467599b684f9f3b60597a02237714272ab9c1775a718fe265a759c59ec2f838c1ed996153115f4c2d71e75ce9083e1b",
    "signer": "0x9a95E87e27E17D9A64b59102A5D563d705e460e6",
    "userId": "851914601"
  }
}