{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "124622",
    "entityType": "User",
    "nonce": "0x3d575a43ea489ca5edcda711dd7523cd075e402e0a74215152fe7948db1932bf",
    "signature": "0xe1cdcd93963d9bd60b6e00b89fe364a6d58394d065d994d5cd989e097ca4edd4625320817a3ae5094c9218ab1bcd1262dcf91fd9fa9f7299ce9cbca01045d8021c",
    "signer": "0xbcc1c37Dfd19ee2B8ed143ebE449e5c756163B4B",
    "userId": "758001977"
  }
}