{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe83f110723e987e334a1e4092cf3f7dff5d74a8a0903df3eac2c154cf5bede8d",
    "signature": "0xea12ff73a34e5f981b82713e109f8b63cb98bb3eca1d25da4297c7ec6dacf7c37db29c9b3c227cd46cd337b62da85186827c85ac73182c0006cff991bbc603581c",
    "signer": "0x0FdEDE26AE690C9F7989F632B15E311B32b4160B",
    "userId": "802840063"
  }
}