{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "70976",
    "entityType": "User",
    "nonce": "0x4dbab21a9faded788ef6b67eda704d5b62c26358bf908e778a85f55264e81c59",
    "signature": "0x50dc30d0054e6e1f5194034dc5d1a5df04a86edb16199787435a7c4631ac475965b5285d3cfc09eac802fe4358aa2e7ff00eed6454427443d85b38bccd6d57a01b",
    "signer": "0x243f92B83d056f818b9b95664A8B7A86805A3E71",
    "userId": "111448"
  }
}