{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "570",
    "entityType": "User",
    "nonce": "0x922d28a07bd81e906acbed19469ab994fde15b91d968513621142576537ab461",
    "signature": "0x6aaec3115f66c2e69b5e7a53bc173e43dcbd1db051bb806291d7039923c7034a780c9f30d4fcc4a2037cbb9e69d429fff30e181f32b651671bfcd22d491604261c",
    "signer": "0x5617e33979Af319eD3a9a6bFF820d69b7e8877a9",
    "userId": "171261"
  }
}