{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "722764767",
    "entityType": "User",
    "nonce": "0xf7a54eeee35edc9a545a3b4dd66bd452b63413ef254c64ea1e5d7d7ac9ec3266",
    "signature": "0x20f179819d5b4f7eb21ea42424a2e00b878383a919f80c4032791b41720b89a92ce25625c92067362ee5b94163f3e0042663340157e2d3718d5df53d4c1900851c",
    "signer": "0x1F5b327b06F23985a2eB7AcDEE087c4CE3F79860",
    "userId": "51270411"
  }
}