{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56774",
    "entityType": "User",
    "nonce": "0x6d16359db44c7a067fb0ee007ab70dc26bf24920ce300748f9c9869e152ca0fe",
    "signature": "0x6bfbbc827d63708657d8c3d527b38f87373401488fcfe1953ebb4e91f6ad1f067cb7ca6147a027875e55ba43899a9bcc140c1a93a49a50c9eb03e43b1dbb619a1c",
    "signer": "0xec93AF00751Bea22e86e76F581F16c361AF973d3",
    "userId": "832787097"
  }
}